COP8-REF-AM datasheet(43/83 Pages) NSC

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COP8-REF-AM 数据表(PDF) 43 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.

部件名	COP8-REF-AM

功能描述	8-Bit CMOS Flash Microcontroller with 8k Memory, Dual Op Amps, Virtual EEROM, Temperature Sensor,10-Bit A/D and Brownout Reset

PDF	83 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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COP8-REF-AM 数据表(HTML) 43 Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 39Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 40Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 41Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 42Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 43Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 44Page - National Semiconductor (TI)

COP8-REF-AM Datasheet HTML 45Page - National Semiconductor (TI)

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14.0 USART (Continued)

14.1 USART CONTROL AND STATUS REGISTERS

The operation of the USART is programmed through three

registers: ENU, ENUR and ENUI.

14.2 DESCRIPTION OF USART REGISTER BITS

ENU — USART CONTROL AND STATUS REGISTER (Ad-

dress at 0BA)

PEN

PSEL1

XBIT9/

CHL1

CHL0

ERR

RBFL

TBMT

PSEL0

Bit 7

Bit 0

PEN: This bit enables/disables Parity (7- and 8-bit modes

only). Read/Write, cleared on reset.

PEN = 0

Parity disabled.

PEN = 1

Parity enabled.

PSEL1, PSEL0: Parity select bits. Read/Write, cleared on

reset.

PSEL1 = 0, PSEL0 = 0

Odd Parity (if Parity enabled)

PSEL1 = 0, PSEL1 = 1

Even Parity (if Parity enabled)

PSEL1 = 1, PSEL0 = 0

Mark(1) (if Parity enabled)

PSEL1 = 1, PSEL1 = 1

Space(0) (if Parity enabled)

20006325

FIGURE 21. USART Block Diagram

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